2018 RN4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3227225721 ± 3.97e-07
Semi-major axis (a)1.6045908612 AU ± 2.65e-08
Inclination (i)37.24573056° ± 2.56e-05
Long. of Asc. Node (Ω)175.51923027° ± 4.86e-06
Arg. of Perihelion (ω)238.27498251° ± 1.39e-04
Mean Anomaly (M)161.93586005° ± 8.63e-05
Mean Motion (n)0.4849152078°/day ± 1.20e-08
Perihelion dist (q)1.08675317 AU ± 6.38e-07
Aphelion dist (Q)2.12242855 AU ± 6.38e-07
Orbital Period2.03257449 yr ± 5.03e-08
Physical Parameters
H (abs. magnitude)22.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.256″
Uncertainty0
Orbit TypeAmor
MOID0.207248 AU
Observations Used57
Oppositions1
Arc Total2018-2020
First Observation Used2018-09-10
Last Observation Used2020-09-16
Observations (60)
Date Type RA Dec Mag Band Observatory
2020-09-15 10:32:08 C 22 00 22.974 +10 31 39.37 V F52
2020-09-16 07:18:11 C 21 59 50.568 +08 47 37.13 U F51
2020-09-16 07:34:43 C 21 59 49.996 +08 46 13.54 U F51
2020-09-16 07:51:20 C 21 59 49.418 +08 44 49.22 U F51
2020-09-16 08:07:54 C 21 59 48.831 +08 43 24.76 U F51
2020-09-16 20:52:57 C 21 59 28.70 +07 37 47.0 V L01
2020-09-16 21:00:26 C 21 59 28.51 +07 37 07.8 V L01
2020-09-16 21:05:25 C 21 59 28.28 +07 36 42.3 V L01
2020-09-16 21:10:41 C 21 59 28.27 +07 36 15.4 V 204
2020-09-16 21:53:53 C 21 59 26.87 +07 32 32.3 V 204